68% (1997)

74% (2006)

79% (2018)

70% (2000)

55% (2014)

54% (2009)

59% (2018)

0% (1999)

65% (2001)

77% (1989)

83% (2007)

35% (2008)

75% (2000)

60% (2000)

50% (2009)

70% (1998)

60% (2007)

76% (1999)

0% (1999)

69% (2006)